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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-07-13 20:33:54 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-07-14 04:08:54 +0200 |
| commit | 1a4bf28573c82b4cbeb4e8d3326b24a93ed64c8e (patch) | |
| tree | 24da0a644a6186fa2c46cb0531c463ce837e6358 /tools/objtool | |
| parent | objtool: Add fallback from ELF_C_READ_MMAP to ELF_C_READ (diff) | |
| download | linux-1a4bf28573c82b4cbeb4e8d3326b24a93ed64c8e.tar.xz linux-1a4bf28573c82b4cbeb4e8d3326b24a93ed64c8e.zip | |
objtool: Avoid checking code drift on busybox's diff
That doesn't have -I to match lines.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-1zqv1h6okt70e2huokkdtf1u@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/objtool')
| -rw-r--r-- | tools/objtool/Makefile | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile index f094f3c4ed84..9a3110cac604 100644 --- a/tools/objtool/Makefile +++ b/tools/objtool/Makefile @@ -41,8 +41,11 @@ include $(srctree)/tools/build/Makefile.include $(OBJTOOL_IN): fixdep FORCE @$(MAKE) $(build)=objtool +# Busybox's diff doesn't have -I, avoid warning in that case +# $(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN) - @(test -d ../../kernel -a -d ../../tools -a -d ../objtool && (( \ + @(diff -I 2>&1 | grep -q 'option requires an argument' && \ + test -d ../../kernel -a -d ../../tools -a -d ../objtool && (( \ diff -I'^#include' arch/x86/insn/insn.c ../../arch/x86/lib/insn.c >/dev/null && \ diff -I'^#include' arch/x86/insn/inat.c ../../arch/x86/lib/inat.c >/dev/null && \ diff arch/x86/insn/x86-opcode-map.txt ../../arch/x86/lib/x86-opcode-map.txt >/dev/null && \ |